Flesh skin pain on the left side of the abdomen may be caused by herpes zoster, muscle injury and other reasons. 1. Herpes zoster: a skin disease caused by varicella zoster virus infection due to low immunity, clusters of herpes can be found on the left side of the abdomen, distributed in bands along a peripheral nerve and accompanied by localized fleshy skin pain, which can be treated with drugs such as acyclovir and diclofenac sodium. 2. Muscle injury: when doing sit-ups, plank support and other exercises, there may be local muscle damage, resulting in the phenomenon of abdominal pain on the left side of the fleshy skin, can be relieved by applying hot compresses to the painful area to improve circulation and promote symptomatic subsidence. Therefore, the left side of the abdomen flesh skin pain patients, should go to the hospital as soon as possible to clarify the cause of the disease, after diagnosis and actively cooperate with the doctor for treatment.